– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Wed 26 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 23mm), heaviest during Fri night. Very mild (max 18°C on Wed night, min 11°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 5mm), mostly falling on Tue afternoon. Very mild (max 17°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light. | |||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | |  | |  | | | |  | |  | | |
some clouds | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | heavy rain | rain shwrs | light rain | rain shwrs | light rain | light rain | some clouds | some clouds | cloudy | rain shwrs | |
Cloud base (m) | 700 | 1950 | 1600 | 650 | 800 | 650 | 600 | 600 | 950 | 600 | 600 | 2100 | 3150 | 2350 | 2000 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.3 | 1.2 | 2 | 0.5 | 1.8 | 11 | 4 | 2 | 0.6 | 0.4 | 1 | — | — | — | 0.2 |
max °C | 18 | 17 | 17 | 14 | 13 | 15 | 13 | 11 | 12 | 11 | 11 | 12 | 12 | 16 | 17 | 14 |
min °C | 14 | 14 | 16 | 12 | 12 | 15 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 17 | 12 |
chill °C | 14 | 14 | 16 | 12 | 12 | 15 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 17 | 12 |
Freezing level m | 3400 | 3000 | 2900 | 2700 | 2700 | 2750 | 2600 | 2250 | 2400 | 2500 | 2500 | 2800 | 3050 | 3000 | 2950 | 2750 |
 | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — |
 | — | — | — | 8:00 | — | 7:58 | — | — | 7:55 | — | — | 7:53 | — | — | 7:52 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 23mm), heaviest during Fri night. Very mild (max 18°C on Wed night, min 11°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Tue afternoon. Very mild (max 17°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
Bellingham Airport |  | ||||
Abbotsford Airport |  |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.